The search textbox has an autosuggest feature. When you enter three or more characters,
a list of up to 10 suggestions will popup under the textbox. Use the arrow keys
to move through the suggestions. To select a suggestion, hit the enter key. Using
the escape key closes the listbox and puts you back at the textbox. The radio buttons
allow you to toggle between having all search items start with or contain the text
you entered in the search box.

In medicine, a loss of blood flow to part of the brain, which damages brain tissue. Strokes are caused by blood clots and broken blood vessels in the brain. Symptoms include dizziness, numbness, weakness on one side of the body, and problems with talking, writing, or understanding language. The risk of stroke is increased by high blood pressure, older age, smoking, diabetes, high cholesterol, heart disease, atherosclerosis (a buildup of fatty material and plaque inside the coronary arteries), and a family history of stroke. Also called cerebrovascular accident and CVA.